DNA & Ancestry Tools
Explore how DNA testing and digital tools complement traditional genealogy research.

Autosomal, Y-DNA, and Mitochondrial Tests: What Each One Actually Reveals
A plain-language breakdown of the three main DNA test types and the specific ancestral lines each one can—and cannot—trace.

Building a Chromosome Map: How Segment Data Strengthens Family History Evidence
Chromosome mapping assigns DNA segments to specific ancestors. Learn why genealogists use it and how to start one with existing test data.













